Crankcase oil foaming test
[建] 曲轴箱用油起沫试验
🧩 词语组成解析
n. 曲轴箱\\n[建] 曲柄箱
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
[计] 泡沫的\\n[化] 发泡; 泡沫层
🗣️ 情景例句
Good afternoon, Mrs. Martin. I've come to see Mr. Martin.
您好，马丁夫人。我来看看马丁先生。
A hero is known in the time of misfortune.
时势造英雄。
How can you change your mind at last minute?
你怎么能在最后时刻改变主意呢？